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ARCH 131 MIDTERM Study Guide Penn State
evolution:
life on earth evolved gradually beginning with one primitive
species that lived more than 3.5 billion years ago; it then
branched out over time, throwing off many new and diverse
species and the mechanism

ARCH 131 EXAM 1 Study Guide Penn State
Lamarck:
Recognized evolution and looked for mechanism
Darwin:
Natural selection
Voyaged on the Beagle
Correlation between fossil record and living speices
Alfred Russel Wallace:
Came up with natural selection as wel